Fix properly reset application/content-provider timespans

Author: markushi

sentry-android-core/src/main/java/io/sentry/android/core/performance/AppStartMetrics.java

@@ -337,6 +337,8 @@ public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle saved
         appStartSpan.start();
         appStartSpan.setStartedAt(nowUptimeMs);
         CLASS_LOADED_UPTIME_MS = nowUptimeMs;
+        contentProviderOnCreates.clear();
+        applicationOnCreate.reset();
       } else {
         appStartType = savedInstanceState == null ? AppStartType.COLD : AppStartType.WARM;
       }

sentry-android-core/src/test/java/io/sentry/android/core/performance/AppStartMetricsTest.kt

@@ -157,6 +157,19 @@ class AppStartMetricsTest {
         val metrics = AppStartMetrics.getInstance()
         metrics.registerLifecycleCallbacks(mock<Application>())
 
+        metrics.contentProviderOnCreateTimeSpans.add(
+            TimeSpan().apply {
+                description = "ExampleContentProvider"
+                setStartedAt(1)
+                setStoppedAt(2)
+            }
+        )
+
+        metrics.applicationOnCreateTimeSpan.apply {
+            setStartedAt(3)
+            setStoppedAt(4)
+        }
+
         // when the looper runs
         Shadows.shadowOf(Looper.getMainLooper()).idle()
 
@@ -176,6 +189,8 @@ class AppStartMetricsTest {
         assertTrue(metrics.shouldSendStartMeasurements())
         assertTrue(metrics.appStartTimeSpan.hasStarted())
         assertEquals(now, metrics.appStartTimeSpan.startUptimeMs)
+        assertFalse(metrics.applicationOnCreateTimeSpan.hasStarted())
+        assertTrue(metrics.contentProviderOnCreateTimeSpans.isEmpty())
     }
 
     @Test